#215176
Closest named color: Deep Sea Blue (#015482). oklch(42% 0.081 244.8), rgb(33, 81, 118).
Aa
White text reads best on this color (8.38:1).
About this color
#215176 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.081 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.023 away. White text reads best on it, at 8.38:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.50:1 |
| White text | 8.38:1 |
Values
| HEX | #215176 |
| RGB | rgb(33, 81, 118) |
| HSL | hsl(206, 56%, 30%) |
| OKLCH | oklch(42% 0.081 244.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #215176 | 8.38:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #215176 | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #215176 text on white | 8.38:1 | AAA | Lc 88.7 | Fine for body text |
| #215176 text on black | 2.50:1 | Fails | Lc -13.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CBDBEA
oklch(88.4% 0.027 246.4)
-
Step 300
300
#A8C5DE
oklch(81% 0.047 244.4)
-
Step 400
400
#78A6CD
oklch(70.7% 0.076 244.7)
-
Step 500
500
#548FC0
oklch(63% 0.097 245.2)
-
Step 600
600
#3679AC
oklch(55.6% 0.104 244.4)
-
Step 700
700
#286594
oklch(49% 0.098 245.2)
-
Step 800
800 (this color)
#215176
oklch(42% 0.081 244.8)
-
Step 900
900
#224561
oklch(37.8% 0.063 244.7)
-
Step 950
950
#152839
oklch(26.9% 0.04 246.9)
#215176 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #405278 | 0.035 |
| Deuteranopia (no green cones) | #354A75 | 0.027 |
| Tritanopia (no blue cones) | #005A5E | 0.059 |
| Achromatopsia (no color) | #4D4D4D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215176
#215176
oklch(42% 0.081 244.8)
- #6B4316
#6B4316
oklch(42.1% 0.08 65.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #215176, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.023
- Light Navy #155084 ΔE 0.025
- Dusk Blue #26538D ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.047
- Twilight Blue #0A437A ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.050
- Cobalt #1E488F ΔE 0.054
Use #215176 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.